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Forum: Security

Post here for help with Linux security issues: antivirus, firewalls, encryption, vulnerabilities, etc

  1. Sticky Thread Sticky: A short guide to Linux security

    Here at we are often asked about the potential threat of a virus or malware attack. This short guide is designed to answer some of...

    Started by fingal, 02-25-2006
    • Replies: 1
    • Views: 72,083
    01-11-2010 Go to last post
  1. Exclamation Password Policies / PAM

    Hi, I am currently facing this problem and would appreciate any help ... As for setting password policies such as (default length of password,...

    Started by sharik_pahwa, 07-19-2007
    • Replies: 0
    • Views: 1,402
    07-19-2007 Go to last post

    hi guys, i have a question. i wrote a cryptography algorithm implemented in c++ and perl. I wanna use this instead of MD5 cus this one is the default...

    Started by hansr69, 07-19-2007
    • Replies: 0
    • Views: 813
    07-19-2007 Go to last post
  3. GnuPG: I want my private key!

    Hi folks! I've been reading lately about GnuPG and how I can use it to sign and encrypt data. I know the importance of my passphrase, and that I...

    Started by chrishoeppner, 07-17-2007
    • Replies: 2
    • Views: 17,600
    07-17-2007 Go to last post
  4. Nessus port scanner

    i am having a problem when i need to start my nessus port scanning software.It giving a error "Can not open conncetion to localhost".i am using...

    Started by tmuche, 10-09-2006
    • Replies: 4
    • Views: 5,919
    07-16-2007 Go to last post
  5. How secure is this IPTABLES setup?

    I'm a bit of a newb and this is my first go at creating an iptables / nat script. however I'm not sure if this is secure enough... i really want to...

    Started by jimbo7, 07-14-2007
    • Replies: 1
    • Views: 10,624
    07-16-2007 Go to last post
  6. LIVE-CD to check wireless security

    hi I'm looking for a linux LIVE-CD to check wireless security. greetings cc

    Started by cc, 07-14-2007
    • Replies: 1
    • Views: 953
    07-15-2007 Go to last post
  7. Routing tables misteriously reloaded

    Hi A few days ago my server suddenly went offline out of the blue, after over a year of uptime. RHEL 4. I could get the ISP to ping it from the...

    Started by DJJoe, 07-11-2007
    • Replies: 0
    • Views: 964
    07-11-2007 Go to last post
  8. secure network question

    if i have IPCop on a computer that is wirelessly connected to the internet and i have 2 ethernet cards in it, would i be able to hook that computer...

    Started by killzoneman00, 07-11-2007
    • Replies: 1
    • Views: 797
    07-11-2007 Go to last post
  9. virus scanner on linux

    hi should I install virus scanner on my linux server, except mail server or should forget this at the moment ? the whole mail traffic will be...

    Started by cc, 07-11-2007
    • Replies: 2
    • Views: 1,199
    07-11-2007 Go to last post
  10. using 'script' with sshd

    my users like to delete their .bash_history files or just ln them to /dev/null. i am looking for a way to keep track of what they are doing...

    Started by cipherus, 07-09-2007
    • Replies: 5
    • Views: 1,074
    07-09-2007 Go to last post
  11. iptables

    Hi all, i want to make the port 23 as filtered. when some body tries to scan my system ports using Nmap, it has to display as filtered how...

    Started by mallik, 07-08-2007
    • Replies: 1
    • Views: 944
    07-08-2007 Go to last post
  12. selinux AVC errors despite making a rule :(

    Hey all, Okay I got a server running FC6 and Plesk 8.1.1 running websites. I do a : grep avc /var/log/messages to see any policies need...

    Started by aus-city, 06-30-2007
    • Replies: 0
    • Views: 1,186
    06-30-2007 Go to last post
  13. IDSs/IPSs that send SNMP traps

    Hi All, I am trying to find open source IDSs/IPSs that can send SNMP traps. The idea behind this is that there will be a centralised system that...

    Started by Nautilus, 06-21-2007
    • Replies: 1
    • Views: 1,129
    06-28-2007 Go to last post
  14. help! able to view htaccess file!

    I've got the following line in /etc/apache2/httpd.conf <FilesMatch "^\.ht"> Order allow,deny Deny from all </FilesMatch> but if I...

    Started by bentaylor, 06-25-2007
    • Replies: 1
    • Views: 945
    06-25-2007 Go to last post
  15. Lightbulb user should logout if inactive

    I am trying for a certain thing. if the user is inactive or idle for certain period say 1 hour he should be logout by system. one way is to write...

    Started by sharik_pahwa, 06-22-2007
    • Replies: 1
    • Views: 904
    06-22-2007 Go to last post
  16. Is it possible to know who accessed

    a file? For example, if some file is marked read only for everyone, and someone copies it, is it possible to track him down? thanks

    Started by statt, 06-20-2007
    • Replies: 2
    • Views: 988
    06-21-2007 Go to last post
  17. Unhappy HI All....

    can anyone suggest me how to disable any particular logging in /var/log/messages ( like if i want to disable network related logs ) in other words i...

    Started by sharik_pahwa, 06-16-2007
    • Replies: 1
    • Views: 889
    06-20-2007 Go to last post
  18. Please help!!

    Hello,.. My brother just died, he had a webDesign company. On his laptop he backed up a new website that should be lunched, but his laptop is...

    Started by thesven, 06-19-2007
    • Replies: 1
    • Views: 937
    06-20-2007 Go to last post
  19. securing ssh from bruteforce

    I love ssh. I often use it to update and change my server's website from anywhere. At the same time having the service open constantly is just...

    Started by rudie_rage, 06-14-2007
    • Replies: 9
    • Views: 1,438
    06-19-2007 Go to last post
  20. How to Restrict users in thier home directory?

    hello how can i lock users in thier /home/user directory so he cant peep out in others user/system files

    Started by hemantgavli, 06-16-2007
    • Replies: 1
    • Views: 5,425
    06-18-2007 Go to last post

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